Correct incorrect arg names for bates_number()

Should have been `offset_horizontal`, etc.

Author: BryceStevenWilley

docassemble/AssemblyLine/al_document.py

@@ -1593,11 +1593,11 @@ def init(self, *pargs, **kwargs) -> None:
         if "page_number_area" not in kwargs:
             self.page_number_area = None
         if "page_number_font_size" not in kwargs:
-            self.page_number_font_size = None
+            self.page_number_font_size = 10
         if "page_number_horizontal_offset" not in kwargs:
-            self.page_number_horizontal_offset = None
+            self.page_number_horizontal_offset = 15
         if "page_number_vertical_offset" not in kwargs:
-            self.page_number_vertical_offset = None
+            self.page_number_vertical_offset = 15
         self.initializeAttribute("cache", DALazyAttribute)
         self.always_enabled = hasattr(self, "enabled") and self.enabled
         # Pre-cache some DALazyTemplates we set up to aid translation that won't
@@ -1672,8 +1672,8 @@ def as_pdf(
                 digits=self.page_number_digits,
                 area=self.page_number_area,
                 font_size=self.page_number_font_size,
-                horizontal_offset=self.page_number_horizontal_offset,
-                vertical_offset=self.page_number_vertical_offset,
+                offset_horizontal=self.page_number_horizontal_offset,
+                offset_vertical=self.page_number_vertical_offset,
             )
         pdf.title = self.title
         setattr(self.cache, safe_key, pdf)